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Searching WorldCat indexes: Quick reference

Find a list of search indexes, including labels and examples, frequently used in WorldShare Record Manager.

See Searching WorldCat Indexes for a comprehensive list of available indexes.

 

Index type Label Example Notes
Access method (word) am: am:ftp zonnetje.swidoc.nl
  • Ignores http: and https:
  • Punctuation is treated as spaces
Access method (phrase) am= am=ftp zonnetje.swidoc.nl
  • Ignores http: and https:
  • Include spacing characters ~ ^ _
  • Include these characters: . @ ? % = _ , \ ' ~ ^ |
  • Keeps other leading text (for example, fttp// or gopher//). Omit the colon. Enter with the slashes or substitute a space.
Access restrictions (word) rs: rs:unrestricted  
Access restrictions (phrase) rs= rs=unrestricted online access  
Action note io:  io:digitized  
Authentication code ac= ac=dlr
  • To limit a search by authentication code, enter ac=[code]
  • To exclude records by authentication code, enter not ac=[code]
Author (word) au: au:Shakespeare Formats: last name or first name
Author (phrase) au= au=Shakespeare, William Format: last name, first name
Canadian class number ca: ca:s592.6c35  
Canadian subject (word) he: he:explorers  
Cataloging source cs= cs=ocl Qualifier
Character sets present vp: vp:gre  
Corporate/Conference name (word)

co: 

(WorldShare)

cn:

(Connexion)

co:enron

cn:enron

 
Corporate/Conference name (phrase)

co=

(WorldShare)

cn=

(Connexion)

co=enron corp

cn=enron corp

Do not use commas
Corporate/Conference subject (word) nc: nc:general motors  
Corporate/Conference subject (phrase) nc= nc=general motors  
Date created as MARC dm: dm:20100401 Enter the date in the format: yyyymmdd (y=year, m=month, d=day)
Descriptors (word) de: de:history  
Descriptors (phrase) de= de=history AND criticism  
Dewey Decimal class number dd: dd:616.46
  • Include all letters and numbers
  • Include the period
  • Omit all other punctuation
  • Omit spaces
  • Searches retrieve records containing first set of numbers following the period (up to first prime), if present, including records that contain groups of numbers following the first set
Dewey Decimal edition number d2: d2:22 Use mainly to limit searches
Genre Form (word) ge: ge:novel  
Genre Form (phrase) ge= ge=spanish literature  
Geographic coverage gc: gc:Madrid  
Government document number gn: gn:nas12sp146
  • Enter all numbers and letters
  • Omit spaces and punctuation
  • Index label not required
Holding library li: td:chi,ma,of,s AND li:occ Qualifier
Internet mt:

mt:url

not mt:url

Qualifier
ISBN (number) bn: bn:0824771427
  • Label is not required
  • Enter all numbers and letters
  • Use this index if it is the first or only search term
  • Omit spaces and hyphens
ISBN (phrase) bn= bn=0824771427 If the ISBN ends in x, enter * to truncate
ISSN_L (number) ik: ik:0264-2875 Always include the hyphen
ISSN_L (phrase) ik= ik=0264-2875 Always include the hyphen
ISSN (number) in: in:0018-165x
  • Label is not required
  • Always include the hyphen
  • Omit spaces
ISSN (phrase) in= in=0018-165x
  • Label is not required
  • If the ISSN ends in x, enter * to truncate
Keyword kw: kw:space Use Boolean operators if using multiple keywords
Language

ln:

(WorldShare)

la:

(Connexion)

ln:eng

la:eng

  • Available for searching with three-character code only
  • Qualifier
  • 2-character codes are in ISO 639
  • Use to limit a search to records with one or more languages
LC children's subject (word) hc: hc:poetry  
LC children's subject (phrase) hc= hc=juvenile poetry  
LCCN (number)

nl:

(WorldShare)

ln:

(Connexion)

nl:32000014

ln:32000014

  • Enter with or without hyphen separating the year from the serial portion
  • Include year portion (two or four digits)
  • Omit spaces
  • Use circumflex (^) to exclude LCCNs that have prefixes
LCCN (phrase)

nl=

(WorldShare)

ln=

(Connexion)

nl=big band music

ln=big band music

  • Enter with or without hyphen separating the year from the serial portion
  • Include year portion (two or four digits)
  • Use circumflex (^) to exclude LCCNs that have prefixes
LCSH (word) hl: hl:fractions  
LCSH (phrase) hl= hl=big band music  
Material type mt: mt:cda Qualifier
MeSH (word) hm: hm:diabetes  
MeSH (phrase) hm= hm=womens health  
Musical composition mc: mc:ballads Use coded values available for fixed field element Comp/Form of composition
NAL Subject (word) ha: ha:corn  
NAL Subject (phrase) ha= ha=corn industry  
Name (word) au: au:sagan  
Name (phrase) au= au=sagan, carl Retaining the first comma is optional
NLM class number (word) lm: lm:hq1381
  • Indexes subfield $a only
  • Enter all numbers and letters
  • Include periods, but omit all other punctuation and spaces
NLM class number (phrase) lm= lm=hq1381 c524w 1976
  • Indexes subfield $a and $b together
  • Enter all numbers and letters
  • Include periods, but omit all other punctuation
  • Include spaces
Notes nt: nt:letterpress  
OCLC Number no: no:10998406 Enter with index label and punctuation
Other subject (word) ho: ho:stars  
Other subject (phrase) ho= ho=supergiant stars  
Personal name (word) pn: pn:shamu  
Personal name (phrase) pn= pn=sitting bull  
Personal name subject (word) na: na:conrad  
Personal name subject (phrase) na= na=conrad, joseph Retain first comma if it is not the last element of a subfield
Physical description (word) p3: p3:study  
Publisher (word) pb: pb:vintage  
Publisher (phrase) pb= pb=vintage books  
Publisher location pl: pl:Stockholm  
Publisher number (number) mn: mn:co1979ab51
  • Enter letters and numbers
  • Omit punctuation and spaces
Publisher number (number phrase) mn= mn=co 1979ab51
  • Enter letters and numbers
  • Omit punctuation
  • Spaces can be used except for in parenthetical data, which is indexed as a separate word
  • For multiple numbers, see entry in Searching WorldCat Indexes.
Report number rn: rn:FE-218-7
  • Enter all letters and numbers
  • Omit punctuation except hyphens
  • Omit spaces
RVM subject (word) hr: hr:liaisons
  • Retain first comma in name if the comma is not the last element of a subfield
  • Retain hyphens in dates
RVM subject (phrase) hr= hr=liaisons dangereuses
  • Retain first comma in name if the comma is not the last element of a subfield
  • Retain hyphens in dates
Series (word) se: se:fairies  
Series (phrase) se= se=rainbow magic  
Standard number sn: sn:0720500478
  • Enter all letters and numbers
  • Omit punctuation and spaces
  • ISBN and ISSN numbers are indexed up to the first parenthesis only
Subject (word) su: su:horror Retain first comma in name if the comma is not the last element of a subfield
Subject (phrase) su= su=french language Retain first comma in name if the comma is not the last element of a subfield
Title (word) ti: ti:existentialism  
Title (phrase) ti= ti=canterbury tales Omit initial articles
Uniform title (word) ut: ut:Beowulf  
Uniform title (phrase) ut= ut=beowulf and how he fought grendel  
Unique serial title tk: tk:horses  
Universal Decimal Class Number ud: ud:368.4
  • Enter all numbers and letters up to the first parenthesis
  • Include periods
  • Omit all other punctuation and spaces
Year yr:

yr:0099

yr:1980

yr:1980-1989

Qualifier

 

 

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